Quarter #3: Electricity and Magnetism 2014-15


[ted ed how do batteries work]

Fri 3/27
The Electric Boy Make-up Day
(Leslie out sick)

Thu 3/26
Lenz Law, Building Speakers

Tue 3/24 - Wed 3/25
Make-up: Get and complete the generator project
Complete packet using PhET Faraday simulator
Discovering how electricity is made in power plants

Mon 3/23
Make-up: Read 36.7 (p 729) and answer 3 questions (in file)
Wires with current move compasses - can magnets move wires?
Build your own electric motor
Examples of things in our houses with motors
CP Homework: List two things in your house that use electric motors. Explain why you believe each is turning electricity into motion.

Fri 3/20
Make-up: Read 36.7 (p 729) and answer 3 questions (in file)
Wires with current move compasses - can magnets move wires?
Build your own electric motor
Examples of things in our houses with motors


Thu 3/19
Make-up: Read 36.4 (p 724-5) and answer 3 questions (in file)
Review Right-hand rule for electromagnets
OAS: Magnetic Express
Magnetic fields - using iron dust to picture the fields
Electric vs. Magnetic Fields battle royale
CP Homework - Right-hand rule electromagnet question


Wed 3/18
Make-up: N/A
Feed My Starving Children field trip
Watched Gattaca with Biology students

Tue 3/17
Make-up: Schedule a time with Leslie to make up the test
Test on Circuits and Magnetism

Mon 3/16
Jeopardy Review of Circuits and Magnetism


Fri 3/13
Make-up: Read section 36.5 (p 726-7) and answer 3 questions (in file)
Can you turn a magnet off? Yes! If it's an electromagnet.
Ferromagnetic - only a few substances react to a magnet
Built our own electromagnets
More loops or stronger battery = stronger magnet
The right-hand rule tells you which end is north


Thu 3/12
Make-up: Use the internet and/or your brain to answer the following: 1) Define Gauss (a unit of measure), 2) If a subway rail has 650 V and human pee has 10,000 ohms of resistance, what is the current the person peeing on the rail might experience? 3) What kind of eel are eel-skin wallets made out of?
Mythbusters: Peeing on the 3rd rail, Eel-skin wallets
CP Homework: Create 2 higher-order questions on series, parallel, and power in circuits

Wed 3/11
Make-up: Read section 36.1 (p 721-2) and answer 3 questions (in file)
Tried magnets with each other: dipoles and forces
Compasses detect magnetic forces
Current in a wire moves a compass?!?
Not all metals attract a magnet!


Tue 3/10
Make-up: Worksheet CD 34-2 on Power problems (in file)
Circuit Puzzles
Power problems practice
CP homework: Create and solve a word problem using P = I x V (due 3/11)


Mon 3/9
Make-up: Complete Electricity and Practical Math sheet for one appliance
Added power to our concept sheet
Calculated how much it would cost to run various appliances for a week
CP homework: Complete calculations for one major appliance at home (due 3/10)


Fri 3/6 - NO SCHOOL - Teacher Development Day

Thu 3/5
A visit to Circuitopia
Ohm's Law practice sheet
CP Homework: Cafeteria circuit questions (due 3/9)


Wed 3/4
Make-up: Complete 3 pages of series and parallel simulator packet (in file)
Review series and parallel
Phet circuit simulator to build and test series and parallel circuits
CP Homework: Venn diagram 3 things for series, parallel and what circuits have in common. (due 3/5)


Tue 3/3
Make-up: Read 35.3-4 and answer 3 questions (file)
Open and closed for a cooling system
How many bulbs can we light at once?
Notes on series and parallel


Mon 3/2
Make-up: Read 35.1-2 and answer 3 questions (in file)
Reviewing Ohm's Law
How many ways can we make a light bulb light?
Making flashlights
Open vs. Closed for a circuit
CP Homework: Explain why a bulb won't light with one wire to either side. (due 3/4)


Fri 2/27
Make-up: Read 34.5 and answer 3 questions (in file)
Testing our bicycle predictions with real circuits
Ohm's Law


Thu 2/26
Make-up: Read 34.4 and answer 3 questions (in file)
Electrons in a wire demo and misconceptions
Defining resistance
The bicycle analogy, Making a prediction about circuits
CP Homework: Create 2 higher-order questions about the things on the yellow note sheet (due 2/27)


Wed 2/25 - Feed My Starving Children
Make-up: N/A

Tue 2/24
Make-up work: Google "mythbuster results" and summarize how they tested any 3 myths (http://mythbustersresults.com/ )
Mythbusters

Mon 2/23
Make-up: Do CD 34-1 page 1 (in file)
Pumped water analogy
CP Homework: Does voltage cause current or does current cause voltage? Defend your answer. (due 2/24)


Fri 2/20
Make-up day
Mythbusters: Water Stun Gun and Firewalking

Thu 2/19
Make-up: Schedule a time with Leslie to take the test
Test on Electric Charges and Electric Fields

Wed 2/18
Jeopardy Review for test on electric charges and fields


Tue 2/17
Make-up work: Read section 34.2 and answer 3 questions (in file)
Brainstorm what in the room uses electric current
Defining terms: Charge, current, voltage
Practice calculating current
CP Homework: Write and solve your own I = q/t problem


Mon 2/16 - NO SCHOOL - President's Day

Fri 2/13
Make-up work: Google "mythbuster results" and summarize how they tested any 3 myths (http://mythbustersresults.com/ )
Mythbusters: Cell phone won't blow up a gas station, breast implants don't explode in air planes
CP Homework: Turn in at least 1 page of notes with at least 1 review question of your creation.


Wed 2/11-Thu 2/12
Make-up work: Complete the PhET Electric Fields project at home or during lab time (need a computer that runs Java)
Electric potential vs. Gravitational potential
OAS: Arc Attack (Power Junkies #1)
Work on the electric fields project


Tue 2/10
Make-up work: Voltage = Electric Potential worksheet (in file)
Weight and height affect gravity's potential
Charge and Voltage affect electric potential
Measuring battery voltage: bigger one's have same V?
Comparing volts: van de graaff, balloon on hair, and outlet
CP Homework: What is one similarity and one difference between electric and gravitational fields (due 2/11)


Mon 2/9
Make-up work: Read section 33.3 and answer questions (in file)
Review electric field lines
Experiment: Will a cell phone ring when it is covered in foil? Half way covered?
A closed conductor shields the inside from outside electric fields
Looking at coaxial cables and cars struck by lightning
CP Homework: Read article on faraday cages and discuss how an elevator or a microwave oven can act as a faraday cage


Fri 2/6
Make-up work: Read Section 33.2 (p. 666-7) and answer questions (in file)
Force fields - they are not just science fiction!
Arrows show from - to + and closer together means stronger field
Electric Field game and Electric Field Hockey


Thu 2/5 - Late Start Day
Make-up: N/A

Wed 2/4
Make-up: Read section 32.6 and answer 3 questions (in file)
Why does the pith ball go back and forth???
What is an electroscope and how does it work?
What is lightning?
CP Homework: (due 2/6) Explain why an electroscope acts the same whether it is near something with positive or negative charge. (google "electroscope animation" for help)


Tue 2/3
Make-up: Do the first page and a half of the lab
Review conductors and insulators, and grounding
Follow the electrons lab
[ted ed on static electricity, but don't like their explanation of insulators]


Mon 2/2
Make-up: Do the first page of CD32-2
Conductors allow charge to move freely: Movies show people getting electrocuted by being in water = good conductor
Review the "smelly boat" analogy of how charges move on a conductor
Building film cannister leyden jars
Practicing with worksheet 32-2
CP Homework: (due 2/3): do 2nd page (p.146) of CD32-2


Fri 1/30
Make-up work: Question sheet on conservation of charge (in file) and complete the first column
OAS - Static Cat
The "smelly boat" analogy of how charges move on a conductor
Sample questions practicing conservation of charge


Thu 1/29
Make-up work: Get a copy of the balloon simulator questions (in file) and complete (need a computer that will run java)
Places we've seen static charges
Conservation of charge: electrons are just transferred
Three ways to charge: Friction, contact, and induction
Practice with the sweater/balloon simulator and John Travoltage
CP Homework: (due 1/30): Create a mnemonic for remembering the 3 types of charging


Wed 1/28 - College Visit Field Trip
Make-up: Google "mythbuster results" and summarize how they tested any 3 myths (http://mythbustersresults.com/)
Mythbusters: Lightning Strike Tongue Piercing and Tree Cannon

Tue 1/27
Make-up work:Read 32.1 and answer 3 questions on back (in file)
Tug of war: electric vs gravitational force
White boards: Review what an atom is like and questions about charges
Try finding positive and negative charging by comparing things to a balloon rubbed with wool
Opposites attract and like charges repel


Mon 1/26
Make-up work: N/A
Get to Know You sheet or tell me a dis/like from Physics
Favorites
Go over points, expectations
What's an atom like - video clip on problems with atom models
Summarize what an atom is like